YH

Yoshio Hatayama

KA Kao: 3 patents #1,053 of 3,221Top 35%
Overall (All Time): #1,580,859 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7351685 Softener composition Yasuki Ohtawa, Tohru Katoh, Uichiro Nishimoto, Yohei Kaneko 2008-04-01
6541444 Softener composition Yasuki Ohtawa, Tohru Katoh, Uichiro Nishimoto, Yohei Kaneko 2003-04-01
5606104 Process for the preparation of acyloxybenzenesulfonic acid or salt thereof Katsuhisa Inoue, Hiroshi Danjo, Kohshiro Sotoya 1997-02-25